Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 603 [Rate centres in NPA 603] [Dial plan for NPA 603]

NXX: 871

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
603-871 A Sanbornville NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122      
603-871 3 Sanbornville NH SALMNHNB5MD  9247 BROADVIEW NETWORKS, INC. - NH 122      
603-871 4 Sanbornville NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122      
603-871 8 Sanbornville NH   793K TWC IP ENABLED SERVICES, LLC 122      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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